Remove Kosmos name from wording

refs #222

app/views/notification_mailer/new_invitations_available.text.erb

@@ -1,6 +1,6 @@
 Hi <%= @user.display_name.presence || @user.cn %>,
 
-New invitations have just been added to your Kosmos account, so you can invite more people to our cooperative services:
+New invitations have just been added to your account, so you can invite more people to our cooperative services:
 
 <%= invitations_url %>
 

app/views/notification_mailer/remotestorage_auth_created.text.erb

@@ -1,6 +1,6 @@
 Hi <%= @user.display_name.presence || @user.cn %>,
 
-You have just granted '<%= @auth.client_id %>' access to your Kosmos Storage, with the following permissions:
+You have just granted '<%= @auth.client_id %>' access to your remote storage, with the following permissions:
 
 <% @permissions.each do |p| %>
 * <%= p %>